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Unformatted text preview: Page 379 Chapter 22: Transition Metal Chemistry and Coordination Compounds 1. The electron configuration of a Ti atom is A) [Ne]3s 2 3d 2 . D) [Ar]4s 2 4d 2 . B) [Ne] 3s 2 4d 2 . E) [Ar]3d 4 . C) [Ar]4s 2 3d 2 . Ans: C Category: Easy Section: 22.1 2. The electron configuration of a nickel atom is A) [Ar]4s 2 3d 6 . B) [Ar]4s 1 3d 7 . C) [Ar]3d 8 . D) [Ar]4s 2 3d 8 . E) [Ar]3d 10 . Ans: D Category: Easy Section: 22.1 3. The electron configuration of a Cr 3+ ion is A) [Ar]3d 5 . B) [Ar]4s 1 3d 2 . C) [Ar]3d 3 . D) [Ar]4s 1 3d 5 . E) [Ar]4s 2 3d 4 . Ans: C Category: Easy Section: 22.1 4. The electron configuration of an Fe 2+ ion is A) [Ar]4s 2 4d 4 . B) [Ar]4s 2 3d 6 . C) [Ar]3d 3 . D) [Ar]3d 5 . E) [Ar]3d 6 . Ans: E Category: Easy Section: 22.1 5. The electron configuration of a Co 3+ ion is A) [Ar]3d 6 . B) [Ar]4s 1 3d 5 . C) [Ar] 4s 2 3d 4 . D) [Ar]3d 5 . E) [Ar]3d 4 . Ans: A Category: Easy Section: 22.1 6. The total number of electrons in the 3d orbitals of a titanium atom is A) 1 B) 2 C) 3 D) 4 E) 5 Ans: B Category: Easy Section: 22.1 7. The total number of electrons in the 3d orbitals of a copper atom is A) 6 B) 7 C) 8 D) 9 E) 10 Ans: E Category: Medium Section: 22.1 8. How many 3d electrons does a Mn 2+ ion have? A) 1 B) 2 C) 3 D) 4 E) 5 Ans: E Category: Medium Section: 22.1 9. How many 3d electrons does a V 3+ ion have? A) 6 B) 5 C) 4 D) 3 E) 2 Ans: E Category: Medium Section: 22.1 10. The total number of electrons in the 3d orbitals of Ti 3+ is A) 0 B) 1 C) 2 D) 3 E) 4 Ans: B Category: Medium Section: 22.1 Chapter 22: Transition Metal Chemistry and Coordination Compounds Page 380 11. The total number of electrons in the 3d orbitals of Cr 3+ is A) 1 B) 2 C) 3 D) 4 E) 5 Ans: C Category: Medium Section: 22.1 12. The total number of electrons in the 3d orbitals of Co 3+ is A) 4 B) 5 C) 6 D) 7 E) 10 Ans: C Category: Medium Section: 22.1 13. In K 4 [Fe(CN) 6 ], how many 3d electrons does the iron atom have? A) 3 B) 4 C) 5 D) 6 E) 7 Ans: D Category: Medium Section: 22.3 14. In the complex ion [Fe(CN) 6 ] 4 , the oxidation number of Fe is A) +1. B) +2. C) +3. D) 4. E) +6. Ans: B Category: Medium Section: 22.3 15. How would you expect the molecule 1,10phenanthroline (shown below) to function as a ligand? A) It would be expected to be a monodentate ligand. B) It would be expected to be a bidentate ligand. C) It would be expected to be a tridentate ligand. D) It would be expected to be a tetradentate ligand. E) It would not be expected to function as a ligand. Ans: B Category: Easy Section: 22.3 Chapter 22: Transition Metal Chemistry and Coordination Compounds Page 381 16. Assuming a coordination complex is formed with Fe 2+ and 1,10phenanthroline (shown below), which of the following statements is true?...
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 Spring '10
 Shaklovich

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